picosecond
/ˈpiː.kəʊˌsɛk.ənd/noun
picosecond is spelled P-I-C-O-S-E-C-O-N-D: 10 letters and 4 syllables. It appears about once in every 13 million words in written English, the 110,368th most frequent word form (wordfreq, 2021 data). As a noun, picosecond means “An SI unit of time equal to 10⁻¹² seconds. Symbol: ps” (English Wiktionary, September 2026). The plural of picosecond is picoseconds.
How many letters and syllables are in picosecond?
| Letters | 10: P-I-C-O-S-E-C-O-N-D |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 13 million words; the 110,368th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is picosecond?
Picosecond appears about once in every 13 million words in written English, the 110,368th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce picosecond?
- UK /ˈpiː.kəʊˌsɛk.ənd/
Picosecond has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Persent101-picosecond.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with picosecond?
No other word on PlainSpell ends in the same sounds as picosecond (/ikəʊsɛkənd/).
Spelled with the same letters in another order: endoscopic.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of picosecond
- picoseconds plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does picosecond mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
An SI unit of time equal to 10⁻¹² seconds. Symbol: ps
Holonyms: nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear,
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Picosecond in Spanish, French, German and Portuguese
In the sense 10−12 second:
| Language | Words |
|---|---|
| German | Picosekunde |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does picosecond come from?
From pico- (“metric prefix”) + second.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).